Postsurgical Disappearance of Dementia without Increased Cerebral Blood Flow in Hydrocephalic Patients
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概要
- 論文の詳細を見る
Cerebral blood flow (CBF) was measured by the 133-Xe inhalation method in four hydrocephalic patients without signs of increased intracranial pressure. Dementia decreased markedly after shunting procedures in two patients and after removal of posterior fossa tumors in the other two patients. The preoperative average hemispheric CBF was subnormal in three patients; it did not increase when dementia disappeared, within 7 to 21 days postoperatively, in any of the four patients. The cerebral circulation time, measured by dynamic computed tomography in three patients, was prolonged before operation and returned to normal after operation reflecting improvement in the microcirculation of the affected tissue. The results of this study demonstrate that disappearance of dementia following surgical intervention in hydrocephalic patients, possibly including those with normal-pressure hydrocephalus, is not always accompanied or preceded by increased CBF as measured by the conventional method.
- 日本脳神経外科学会の論文
- 1987-01-15
著者
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Matsumura Ken-ichi
Department Of Neurosurgery Kusatsu General Hospital
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Matsuda Masayuki
Department of Internal Medicine (Neurology and Rheumatology), Shinshu University School of Medicine
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Matsuda Masayuki
Department Of Neurosurgery Shiga University Of Medical Science
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Handa Jyoji
Department Of Neurosurgery Shiga University Of Medical Science
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Handa Jyoji
Department Of Anatomy And Neurosurgery Shiga University Of Medical Science
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Matsumura Ken-ichi
Department Of Neurosurgery Shiga University Of Medical Science
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TAKAYAMA Shokei
Department of Neurosurgery, Shiga University of Medical Science
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Takayama Shokei
Department Of Neurosurgery Shiga University Of Medical Science
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